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Original Articles

KINETICS AND MECHANISMS OF THE ACID- CATALYSED HYDROLYSES OF 4-NITROPHENYL- N-AROYL-ARENEIMINOSULPHONATES

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Pages 217-224 | Received 21 Jun 1993, Accepted 20 Jul 1993, Published online: 23 Sep 2006
 

Abstract

The acid catalysed hydrolyses of N-acetyl and a series of N-aroylsulphonimidic esters have been studied in aqueous 40% (v/v) dioxane solutions of mineral acids. At low acidity all the esters studied are considered to hydrolyse by an A-2 mechanism. At higher acidities a changeover to an A-1 mechanism is observed for N-aroylsulphonimidic esters.

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